Add MKS Robin Pro, MKS Robin Lite3 (#16163)

Marlin/src/core/boards.h

@@ -269,18 +269,21 @@
 #define BOARD_MKS_ROBIN_MINI          4007  // MKS Robin Mini (STM32F103VET6)
 #define BOARD_MKS_ROBIN_NANO          4008  // MKS Robin Nano (STM32F103VET6)
 #define BOARD_MKS_ROBIN_LITE          4009  // MKS Robin Lite/Lite2 (STM32F103RCT6)
-#define BOARD_BIGTREE_SKR_MINI_V1_1   4010  // BigTreeTech SKR Mini v1.1 (STM32F103RC)
-#define BOARD_BTT_SKR_MINI_E3_V1_0    4011  // BigTreeTech SKR Mini E3 (STM32F103RC)
-#define BOARD_BTT_SKR_MINI_E3_V1_2    4012  // BigTreeTech SKR Mini E3 V1.2 (STM32F103RC)
-#define BOARD_BIGTREE_SKR_E3_DIP      4013  // BigTreeTech SKR E3 DIP V1.0 (STM32F103RC / STM32F103RE)
-#define BOARD_JGAURORA_A5S_A1         4014  // JGAurora A5S A1 (STM32F103ZET6)
-#define BOARD_FYSETC_AIO_II           4015  // FYSETC AIO_II
-#define BOARD_FYSETC_CHEETAH          4016  // FYSETC Cheetah
-#define BOARD_FYSETC_CHEETAH_V12      4017  // FYSETC Cheetah V1.2
-#define BOARD_LONGER3D_LK             4018  // Alfawise U20/U20+/U30 (Longer3D LK1/2) / STM32F103VET6
-#define BOARD_GTM32_MINI              4019  // STM32F103VET6 controller
-#define BOARD_GTM32_MINI_A30          4020  // STM32F103VET6 controller
-#define BOARD_GTM32_REV_B             4021  // STM32F103VET6 controller
+#define BOARD_MKS_ROBIN_LITE3         4010  // MKS Robin Lite3 (STM32F103RCT6)
+#define BOARD_MKS_ROBIN_PRO           4011  // MKS Robin Pro (STM32F103ZET6)
+#define BOARD_BIGTREE_SKR_MINI_V1_1   4012  // BigTreeTech SKR Mini v1.1 (STM32F103RC)
+#define BOARD_BTT_SKR_MINI_E3_V1_0    4013  // BigTreeTech SKR Mini E3 (STM32F103RC)
+#define BOARD_BTT_SKR_MINI_E3_V1_2    4014  // BigTreeTech SKR Mini E3 V1.2 (STM32F103RC)
+#define BOARD_BIGTREE_SKR_E3_DIP      4015  // BigTreeTech SKR E3 DIP V1.0 (STM32F103RC / STM32F103RE)
+#define BOARD_JGAURORA_A5S_A1         4016  // JGAurora A5S A1 (STM32F103ZET6)
+#define BOARD_FYSETC_AIO_II           4017  // FYSETC AIO_II
+#define BOARD_FYSETC_CHEETAH          4018  // FYSETC Cheetah
+#define BOARD_FYSETC_CHEETAH_V12      4019  // FYSETC Cheetah V1.2
+#define BOARD_LONGER3D_LK             4020  // Alfawise U20/U20+/U30 (Longer3D LK1/2) / STM32F103VET6
+#define BOARD_GTM32_MINI              4021  // STM32F103VET6 controller
+#define BOARD_GTM32_MINI_A30          4022  // STM32F103VET6 controller
+#define BOARD_GTM32_REV_B             4023  // STM32F103VET6 controller
+
 
 //
 // ARM Cortex-M4F

Marlin/src/inc/Conditionals_post.h

@@ -259,6 +259,9 @@
 #elif ENABLED(AZSMZ_12864)
   #define _LCD_CONTRAST_MIN  120
   #define _LCD_CONTRAST_INIT 190
+#elif ENABLED(MKS_LCD12864B)
+  #define _LCD_CONTRAST_MIN  120
+  #define _LCD_CONTRAST_INIT 205
 #elif ENABLED(MKS_MINI_12864)
   #define _LCD_CONTRAST_MIN  120
   #define _LCD_CONTRAST_INIT 195

Marlin/src/lcd/dogm/ultralcd_DOGM.cpp

@@ -244,48 +244,51 @@ bool MarlinUI::detected() { return true; }
 
 // Initialize or re-initialize the LCD
 void MarlinUI::init_lcd() {
+  #if DISABLED(MKS_LCD12864B)
 
-  #if PIN_EXISTS(LCD_BACKLIGHT)
-    OUT_WRITE(LCD_BACKLIGHT_PIN, (
-      #if ENABLED(DELAYED_BACKLIGHT_INIT)
-        LOW  // Illuminate after reset
-      #else
-        HIGH // Illuminate right away
+    #if PIN_EXISTS(LCD_BACKLIGHT)
+      OUT_WRITE(LCD_BACKLIGHT_PIN, (
+        #if ENABLED(DELAYED_BACKLIGHT_INIT)
+          LOW  // Illuminate after reset
+        #else
+          HIGH // Illuminate right away
+        #endif
+      ));
+    #endif
+
+    #if EITHER(MKS_12864OLED, MKS_12864OLED_SSD1306)
+      SET_OUTPUT(LCD_PINS_DC);
+      #ifndef LCD_RESET_PIN
+        #define LCD_RESET_PIN LCD_PINS_RS
       #endif
-    ));
-  #endif
+    #endif
 
-  #if EITHER(MKS_12864OLED, MKS_12864OLED_SSD1306)
-    SET_OUTPUT(LCD_PINS_DC);
-    #ifndef LCD_RESET_PIN
-      #define LCD_RESET_PIN LCD_PINS_RS
+    #if PIN_EXISTS(LCD_RESET)
+      // Perform a clean hardware reset with needed delays
+      OUT_WRITE(LCD_RESET_PIN, LOW);
+      _delay_ms(5);
+      WRITE(LCD_RESET_PIN, HIGH);
+      _delay_ms(5);
+      u8g.begin();
     #endif
-  #endif
 
-  #if PIN_EXISTS(LCD_RESET)
-    // Perform a clean hardware reset with needed delays
-    OUT_WRITE(LCD_RESET_PIN, LOW);
-    _delay_ms(5);
-    WRITE(LCD_RESET_PIN, HIGH);
-    _delay_ms(5);
-    u8g.begin();
-  #endif
+    #if PIN_EXISTS(LCD_BACKLIGHT) && ENABLED(DELAYED_BACKLIGHT_INIT)
+      WRITE(LCD_BACKLIGHT_PIN, HIGH);
+    #endif
 
-  #if PIN_EXISTS(LCD_BACKLIGHT) && ENABLED(DELAYED_BACKLIGHT_INIT)
-    WRITE(LCD_BACKLIGHT_PIN, HIGH);
-  #endif
+    #if HAS_LCD_CONTRAST
+      refresh_contrast();
+    #endif
 
-  #if HAS_LCD_CONTRAST
-    refresh_contrast();
-  #endif
+    #if ENABLED(LCD_SCREEN_ROT_90)
+      u8g.setRot90();
+    #elif ENABLED(LCD_SCREEN_ROT_180)
+      u8g.setRot180();
+    #elif ENABLED(LCD_SCREEN_ROT_270)
+      u8g.setRot270();
+    #endif
 
-  #if ENABLED(LCD_SCREEN_ROT_90)
-    u8g.setRot90();
-  #elif ENABLED(LCD_SCREEN_ROT_180)
-    u8g.setRot180();
-  #elif ENABLED(LCD_SCREEN_ROT_270)
-    u8g.setRot270();
-  #endif
+  #endif // !MKS_LCD12864B
 
   uxg_SetUtf8Fonts(g_fontinfo, COUNT(g_fontinfo));
 }

Marlin/src/pins/pins.h

@@ -493,6 +493,10 @@
   #include "stm32/pins_FYSETC_CHEETAH_V12.h"    // STM32F1                                env:STM32F103RC_fysetc
 #elif MB(LONGER3D_LK)
   #include "stm32/pins_LONGER3D_LK.h"           // STM32F1                                env:STM32F103VE_longer
+#elif MB(MKS_ROBIN_LITE3)
+  #include "stm32/pins_MKS_ROBIN_LITE3.h"       // STM32F1                                env:mks_robin_lite3
+#elif MB(MKS_ROBIN_PRO)
+  #include "stm32/pins_MKS_ROBIN_PRO.h"         // STM32F1                                env:mks_robin_pro
 
 //
 // ARM Cortex-M4F
@@ -531,7 +535,6 @@
   #include "stm32/pins_VAKE403D.h"              // STM32F4                                env:STM32F4
 #elif MB(FYSETC_S6)
   #include "stm32/pins_FYSETC_S6.h"             // STM32F4                                env:FYSETC_S6
-
 //
 // ARM Cortex M7
 //

Marlin/src/pins/ramps/pins_RAMPS.h

@@ -593,7 +593,7 @@
         //#define LCD_SCREEN_ROT_270
 
         // not connected to a pin
-        #define LCD_BACKLIGHT_PIN 65   // backlight LED on A11/D65
+        #define LCD_BACKLIGHT_PIN -1  // 65 (MKS mini12864 can't adjust backlight by software!)
 
         #define BTN_EN1         31
         #define BTN_EN2         33

Marlin/src/pins/stm32/pins_MKS_ROBIN_LITE.h

@@ -23,10 +23,8 @@
 
 #ifndef __STM32F1__
   #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
-#endif
-
-#if HOTENDS > 1 || E_STEPPERS > 1
-  #error "MKS Robin Lite supports up to 1 hotends / E-steppers. Comment out this line to continue."
+#elif HOTENDS > 1 || E_STEPPERS > 1
+  #error "MKS Robin Lite supports only 1 hotend / E-stepper. Comment out this line to continue."
 #endif
 
 #ifndef BOARD_INFO_NAME

Marlin/src/pins/stm32/pins_MKS_ROBIN_LITE3.h

@@ -0,0 +1,153 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * MKS Robin Lite 3 (STM32F103RCT6) board pin assignments
+ */
+
+#ifndef __STM32F1__
+  #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
+#elif HOTENDS > 2 || E_STEPPERS > 2
+  #error "MKS Robin Lite3 supports up to 2 hotends / E-steppers. Comment out this line to continue."
+#endif
+
+#ifndef BOARD_INFO_NAME
+  #define BOARD_INFO_NAME "MKS Robin Lite3"
+#endif
+#define BOARD_WEBSITE_URL "github.com/makerbase-mks"
+
+//#define DISABLE_DEBUG
+#define DISABLE_JTAG
+#define ENABLE_SPI2
+
+//
+// Servos
+//
+#define SERVO0_PIN         PA3
+
+//
+// Limit Switches
+//
+#define X_STOP_PIN         PA12
+#define Y_STOP_PIN         PA11
+#define Z_MIN_PIN          PC6
+#define Z_MAX_PIN          PB1
+
+//
+// Steppers
+//
+#define X_STEP_PIN         PC0
+#define X_DIR_PIN          PB2
+#define X_ENABLE_PIN       PC13
+
+#define Y_STEP_PIN         PC2
+#define Y_DIR_PIN          PB9
+#define Y_ENABLE_PIN       PB12
+
+#define Z_STEP_PIN         PB7
+#define Z_DIR_PIN          PB6
+#define Z_ENABLE_PIN       PB8
+
+#define E0_STEP_PIN        PB4
+#define E0_DIR_PIN         PB3
+#define E0_ENABLE_PIN      PB5
+
+#define E1_STEP_PIN        PC12
+#define E1_DIR_PIN         PC11
+#define E1_ENABLE_PIN      PD2
+
+//
+// Heaters 0,1 / Fans / Bed
+//
+#define HEATER_0_PIN       PC9
+#define HEATER_1_PIN       PC7
+#define FAN_PIN            PA8
+#define HEATER_BED_PIN     PC8
+
+//
+// Temperature Sensors
+//
+#define TEMP_BED_PIN       PA1  //TB
+#define TEMP_0_PIN         PA0  //TH1
+#define TEMP_1_PIN         PA2  //TH2
+
+#define FIL_RUNOUT_PIN     PB10 // MT_DET
+
+//
+// LCD Pins
+//
+#if HAS_SPI_LCD
+
+  #define BEEPER_PIN       PC1
+  #define BTN_ENC          PC3
+  #define LCD_PINS_ENABLE  PA4
+  #define LCD_PINS_RS      PA5
+  #define BTN_EN1          PB11
+  #define BTN_EN2          PB0
+
+  // MKS MINI12864 and MKS LCD12864B; If using MKS LCD12864A (Need to remove RPK2 resistor)
+  #if ENABLED(MKS_MINI_12864)
+
+    #define LCD_BACKLIGHT_PIN -1
+    #define LCD_RESET_PIN  -1
+    #define DOGLCD_A0      PC4
+    #define DOGLCD_CS      PA7
+    #define DOGLCD_SCK     PB13
+    #define DOGLCD_MOSI    PB15
+
+    // Required for MKS_MINI_12864 with this board
+    #define MKS_LCD12864B
+    #undef SHOW_BOOTSCREEN
+
+  #else // !MKS_MINI_12864
+
+    #define LCD_PINS_D4    PA6
+    #if ENABLED(ULTIPANEL)
+      #define LCD_PINS_D5  PA7
+      #define LCD_PINS_D6  PC4
+      #define LCD_PINS_D7  PC5
+    #endif
+
+  #endif // !MKS_MINI_12864
+
+#endif // HAS_SPI_LCD
+
+//
+// SD Card
+//
+#define ENABLE_SPI2
+#define SD_DETECT_PIN      PC10
+#define SCK_PIN            PB13
+#define MISO_PIN           PB14
+#define MOSI_PIN           PB15
+#define SS_PIN             PA15
+
+#ifndef ST7920_DELAY_1
+  #define ST7920_DELAY_1 DELAY_NS(125)
+#endif
+#ifndef ST7920_DELAY_2
+  #define ST7920_DELAY_2 DELAY_NS(125)
+#endif
+#ifndef ST7920_DELAY_3
+  #define ST7920_DELAY_3 DELAY_NS(125)
+#endif

Marlin/src/pins/stm32/pins_MKS_ROBIN_MINI.h

@@ -46,10 +46,8 @@
 //
 // Limit Switches
 //
-#define X_MIN_PIN          PA15
-#define X_MAX_PIN          PA15
-#define Y_MIN_PIN          PA12
-#define Y_MAX_PIN          PA12
+#define X_STOP_PIN         PA15
+#define Y_STOP_PIN         PA12
 #define Z_MIN_PIN          PA11
 #define Z_MAX_PIN          PC4
 

Marlin/src/pins/stm32/pins_MKS_ROBIN_NANO.h

@@ -134,4 +134,4 @@
     #define TOUCH_MISO_PIN   PB14 // SPI2_MISO
     #define TOUCH_MOSI_PIN   PB15 // SPI2_MOSI
   #endif
-#endif
+#endif

Marlin/src/pins/stm32/pins_MKS_ROBIN_PRO.h

@@ -0,0 +1,274 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * MKS Robin pro (STM32F103ZET6) board pin assignments
+ */
+
+#ifndef __STM32F1__
+  #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
+#elif HOTENDS > 3 || E_STEPPERS > 3
+  #error "MKS Robin pro supports up to 3 hotends / E-steppers. Comment out this line to continue."
+#endif
+
+#define BOARD_INFO_NAME "MKS Robin pro"
+
+//
+// Release PB4 (Y_ENABLE_PIN) from JTAG NRST role
+//
+#define DISABLE_DEBUG
+
+//
+// Note: MKS Robin board is using SPI2 interface.
+//
+//#define SPI_MODULE 2
+#define ENABLE_SPI2
+
+//
+// Servos
+//
+#define SERVO0_PIN         PA8   // BLTOUCH
+
+//
+// Limit Switches
+//
+#define X_MIN_PIN          PA15
+#define X_MAX_PIN          PG7
+#define Y_MIN_PIN          PA12
+#define Y_MAX_PIN          PG8
+#define Z_MIN_PIN          PA11
+#define Z_MAX_PIN          PC4
+
+//
+// Steppers
+//
+#define X_ENABLE_PIN       PE4
+#define X_STEP_PIN         PE3
+#define X_DIR_PIN          PE2
+#ifndef X_CS_PIN
+  #define X_CS_PIN         PF8
+#endif
+
+#define Y_ENABLE_PIN       PE1
+#define Y_STEP_PIN         PE0
+#define Y_DIR_PIN          PB9
+#ifndef Y_CS_PIN
+  #define Y_CS_PIN         PF3
+#endif
+
+#define Z_ENABLE_PIN       PB8
+#define Z_STEP_PIN         PB5
+#define Z_DIR_PIN          PB4
+#ifndef Z_CS_PIN
+  #define Z_CS_PIN         PF6
+#endif
+
+#define E0_ENABLE_PIN      PB3
+#define E0_STEP_PIN        PD6
+#define E0_DIR_PIN         PD3
+#ifndef E0_CS_PIN
+  #define E0_CS_PIN        PG15
+#endif
+
+#define E1_ENABLE_PIN      PA3
+#define E1_STEP_PIN        PA6
+#define E1_DIR_PIN         PA1
+#ifndef E1_CS_PIN
+  #define E1_CS_PIN        PG10
+#endif
+
+#define E2_ENABLE_PIN      PF0
+#define E2_STEP_PIN        PF2
+#define E2_DIR_PIN         PF1
+#ifndef E2_CS_PIN
+  #define E2_CS_PIN        PG9
+#endif
+//
+// Software SPI pins for TMC2130 stepper drivers
+//
+#if ENABLED(TMC_USE_SW_SPI)
+  #ifndef TMC_SW_MOSI
+    #define TMC_SW_MOSI    PB15
+  #endif
+  #ifndef TMC_SW_MISO
+    #define TMC_SW_MISO    PB14
+  #endif
+  #ifndef TMC_SW_SCK
+    #define TMC_SW_SCK     PB13
+  #endif
+#endif
+
+#if HAS_TMC220x
+  /**
+   * TMC2208/TMC2209 stepper drivers
+   *
+   * Hardware serial communication ports.
+   * If undefined software serial is used according to the pins below
+   */
+  //#define X_HARDWARE_SERIAL  Serial
+  //#define X2_HARDWARE_SERIAL Serial1
+  //#define Y_HARDWARE_SERIAL  Serial1
+  //#define Y2_HARDWARE_SERIAL Serial1
+  //#define Z_HARDWARE_SERIAL  Serial1
+  //#define Z2_HARDWARE_SERIAL Serial1
+  //#define E0_HARDWARE_SERIAL Serial1
+  //#define E1_HARDWARE_SERIAL Serial1
+  //#define E2_HARDWARE_SERIAL Serial1
+  //#define E3_HARDWARE_SERIAL Serial1
+  //#define E4_HARDWARE_SERIAL Serial1
+
+  //
+  // Software serial
+  //
+  #define X_SERIAL_TX_PIN  PF7
+  #define X_SERIAL_RX_PIN  PF8
+
+  #define Y_SERIAL_TX_PIN  PF4
+  #define Y_SERIAL_RX_PIN  PF3
+
+  #define Z_SERIAL_TX_PIN  PF5
+  #define Z_SERIAL_RX_PIN  PF6
+
+  #define E0_SERIAL_TX_PIN PG13
+  #define E0_SERIAL_RX_PIN PG15
+
+  #define E1_SERIAL_TX_PIN PG12
+  #define E1_SERIAL_RX_PIN PG10
+
+  #define E2_SERIAL_TX_PIN PC13
+  #define E2_SERIAL_RX_PIN PG9
+#endif
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN         PC1   // TH1
+#define TEMP_1_PIN         PC2   // TH2
+#define TEMP_2_PIN         PC3   // TH3
+#define TEMP_BED_PIN       PC0   // TB1
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN       PF10  // +HE0-
+#define HEATER_1_PIN       PB0   // +HE1-
+#define HEATER_2_PIN       PF9   // +HE2-
+#define HEATER_BED_PIN     PA0   // +HOT-BED-
+#define FAN_PIN            PB1   // +FAN-
+
+/**
+ * Note: MKS Robin Pro board is using SPI2 interface. Make sure your stm32duino library is configured accordingly
+ */
+//#define MAX6675_SS_PIN     PE5   // TC1 - CS1
+//#define MAX6675_SS_PIN     PF11  // TC2 - CS2
+
+#define POWER_LOSS_PIN     PA2   // PW_DET
+#define PS_ON_PIN          PG11   // PW_OFF
+#define FIL_RUNOUT_PIN     PA4  // MT_DET1
+//#define FIL_RUNOUT_PIN     PE6   // MT_DET2
+//#define FIL_RUNOUT_PIN     PG14  // MT_DET3
+
+//
+// SD Card
+//
+#ifndef SDCARD_CONNECTION
+  #define SDCARD_CONNECTION ONBOARD
+#endif
+
+#if SD_CONNECTION_IS(LCD)
+  #define ENABLE_SPI2
+  #define SD_DETECT_PIN    PG3
+  #define SCK_PIN          PB13
+  #define MISO_PIN         PB14
+  #define MOSI_PIN         PB15
+  #define SS_PIN           PG6
+#elif SD_CONNECTION_IS(ONBOARD)
+  #define SDIO_SUPPORT
+  #define SD_DETECT_PIN    PD12
+#elif SD_CONNECTION_IS(CUSTOM_CABLE)
+  #error "No custom SD drive cable defined for this board."
+#endif
+
+/**
+ * Note: MKS Robin TFT screens use various TFT controllers.
+ * If the screen stays white, disable 'LCD_RESET_PIN'
+ * to let the bootloader init the screen.
+ */
+#if ENABLED(FSMC_GRAPHICAL_TFT)
+  #define FSMC_CS_PIN      PD7    // NE4
+  #define FSMC_RS_PIN      PD11   // A0
+
+  #define LCD_RESET_PIN    PF6
+  #define NO_LCD_REINIT             // Suppress LCD re-initialization
+
+  #define LCD_BACKLIGHT_PIN PD13
+
+  #if ENABLED(TOUCH_BUTTONS)
+    #define TOUCH_CS_PIN   PA7
+  #else
+    #define BEEPER_PIN     PC5
+    #define BTN_ENC        PG2
+    #define BTN_EN1        PG5
+    #define BTN_EN2        PG4
+  #endif
+
+#elif HAS_SPI_LCD
+
+  #define BEEPER_PIN       PC5
+  #define BTN_ENC          PG2
+  #define LCD_PINS_ENABLE  PG0
+  #define LCD_PINS_RS      PG1
+  #define BTN_EN1          PG5
+  #define BTN_EN2          PG4
+
+  // MKS MINI12864 and MKS LCD12864B. If using MKS LCD12864A (Need to remove RPK2 resistor)
+  #if ENABLED(MKS_MINI_12864)
+
+    #define LCD_BACKLIGHT_PIN -1
+    #define LCD_RESET_PIN  -1
+    #define DOGLCD_A0      PF12
+    #define DOGLCD_CS      PF15
+    #define DOGLCD_SCK     PB13
+    #define DOGLCD_MOSI    PB15
+
+  #else // !MKS_MINI_12864
+
+    #define LCD_PINS_D4    PF14
+    #if ENABLED(ULTIPANEL)
+      #define LCD_PINS_D5  PF15
+      #define LCD_PINS_D6  PF12
+      #define LCD_PINS_D7  PF13
+    #endif
+
+  #endif // !MKS_MINI_12864
+#endif
+
+#ifndef ST7920_DELAY_1
+  #define ST7920_DELAY_1 DELAY_NS(125)
+#endif
+#ifndef ST7920_DELAY_2
+  #define ST7920_DELAY_2 DELAY_NS(125)
+#endif
+#ifndef ST7920_DELAY_3
+  #define ST7920_DELAY_3 DELAY_NS(125)
+#endif

buildroot/share/PlatformIO/ldscripts/mks_robin_lite3.ld

@@ -0,0 +1,14 @@
+MEMORY
+{
+  ram (rwx) : ORIGIN = 0x20000000, LENGTH = 48K - 40
+  rom (rx)  : ORIGIN = 0x08005000, LENGTH = 256K - 20K
+}
+
+/* Provide memory region aliases for common.inc */
+REGION_ALIAS("REGION_TEXT", rom);
+REGION_ALIAS("REGION_DATA", ram);
+REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
+
+/* Let common.inc handle the real work. */
+INCLUDE common.inc

buildroot/share/PlatformIO/ldscripts/mks_robin_pro.ld

@@ -0,0 +1,14 @@
+MEMORY
+{
+  ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K - 40
+  rom (rx)  : ORIGIN = 0x08007000, LENGTH = 512K - 28K
+}
+
+/* Provide memory region aliases for common.inc */
+REGION_ALIAS("REGION_TEXT", rom);
+REGION_ALIAS("REGION_DATA", ram);
+REGION_ALIAS("REGION_BSS", ram);
+REGION_ALIAS("REGION_RODATA", rom);
+
+/* Let common.inc handle the real work. */
+INCLUDE common.inc

buildroot/share/PlatformIO/scripts/mks_robin_lite3.py

@@ -0,0 +1,40 @@
+import os
+Import("env")
+
+# Relocate firmware from 0x08000000 to 0x08005000
+for define in env['CPPDEFINES']:
+    if define[0] == "VECT_TAB_ADDR":
+        env['CPPDEFINES'].remove(define)
+env['CPPDEFINES'].append(("VECT_TAB_ADDR", "0x08005000"))
+
+custom_ld_script = os.path.abspath("buildroot/share/PlatformIO/ldscripts/mks_robin_lite.ld")
+for i, flag in enumerate(env["LINKFLAGS"]):
+    if "-Wl,-T" in flag:
+        env["LINKFLAGS"][i] = "-Wl,-T" + custom_ld_script
+    elif flag == "-T":
+        env["LINKFLAGS"][i + 1] = custom_ld_script
+
+
+# Encrypt ${PROGNAME}.bin and save it as 'mksLite.bin'
+def encrypt(source, target, env):
+    import sys
+
+    key = [0xA3, 0xBD, 0xAD, 0x0D, 0x41, 0x11, 0xBB, 0x8D, 0xDC, 0x80, 0x2D, 0xD0, 0xD2, 0xC4, 0x9B, 0x1E, 0x26, 0xEB, 0xE3, 0x33, 0x4A, 0x15, 0xE4, 0x0A, 0xB3, 0xB1, 0x3C, 0x93, 0xBB, 0xAF, 0xF7, 0x3E]
+
+    firmware = open(target[0].path, "rb")
+    robin = open(target[0].dir.path +'/mksLite3.bin', "wb")
+    length = os.path.getsize(target[0].path)
+    position = 0
+    try:
+        while position < length:
+            byte = firmware.read(1)
+            if position >= 320 and position < 31040:
+                byte = chr(ord(byte) ^ key[position & 31])
+                if sys.version_info[0] > 2:
+                    byte = bytes(byte, 'latin1')
+            robin.write(byte)
+            position += 1
+    finally:
+        firmware.close()
+        robin.close()
+env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", encrypt);

buildroot/share/PlatformIO/scripts/mks_robin_pro.py

@@ -0,0 +1,39 @@
+import os
+Import("env")
+
+# Relocate firmware from 0x08000000 to 0x08007000
+for define in env['CPPDEFINES']:
+    if define[0] == "VECT_TAB_ADDR":
+        env['CPPDEFINES'].remove(define)
+env['CPPDEFINES'].append(("VECT_TAB_ADDR", "0x08007000"))
+
+custom_ld_script = os.path.abspath("buildroot/share/PlatformIO/ldscripts/mks_robin_pro.ld")
+for i, flag in enumerate(env["LINKFLAGS"]):
+    if "-Wl,-T" in flag:
+        env["LINKFLAGS"][i] = "-Wl,-T" + custom_ld_script
+    elif flag == "-T":
+        env["LINKFLAGS"][i + 1] = custom_ld_script
+
+# Encrypt ${PROGNAME}.bin and save it as 'Robin.bin'
+def encrypt(source, target, env):
+    import sys
+
+    key = [0xA3, 0xBD, 0xAD, 0x0D, 0x41, 0x11, 0xBB, 0x8D, 0xDC, 0x80, 0x2D, 0xD0, 0xD2, 0xC4, 0x9B, 0x1E, 0x26, 0xEB, 0xE3, 0x33, 0x4A, 0x15, 0xE4, 0x0A, 0xB3, 0xB1, 0x3C, 0x93, 0xBB, 0xAF, 0xF7, 0x3E]
+
+    firmware = open(target[0].path, "rb")
+    robin = open(target[0].dir.path +'/Robin_pro.bin', "wb")
+    length = os.path.getsize(target[0].path)
+    position = 0
+    try:
+        while position < length:
+            byte = firmware.read(1)
+            if position >= 320 and position < 31040:
+                byte = chr(ord(byte) ^ key[position & 31])
+                if sys.version_info[0] > 2:
+                    byte = bytes(byte, 'latin1')
+            robin.write(byte)
+            position += 1
+    finally:
+        firmware.close()
+        robin.close()
+env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", encrypt);

config/examples/Mks/Robin_Lite3/ReadMe.txt

@@ -0,0 +1,5 @@
+1. MKS Robin Lite3 is a powerful 32-bit 3D printer control board with STM32F103RCT6.
+2. Support Marlin2.0.
+3. Support MKS LCD12864B/MINI12864/LCD2004/12864 and MKS TFT Touch Screens.
+4. The main board integrates 5 AXIS interface, BLTOUCH interface, hot bed, 2 heating heads, 3 NTC100K and LCD screen SD card supports firmware update.
+https://www.aliexpress.com/item/4000295949948.html?spm=2114.12010615.8148356.1.596183361yB18D

config/examples/Mks/Robin_Pro/ReadMe.txt

@@ -0,0 +1,4 @@
+1. MKS Robin Pro is a powerful 32-bit 3D printer control board with STM32F103ZET6.
+2. Support Marlin2.0. Support LCD2004/12864 and MKS Robin TFT24/28/32... Screens.
+3. The motherboard integrates 6 AXIS interface, BLTOUCH interface, hot bed, 3 heating heads, 4 NTC100K, 2 MAX31855, integrates SPI / UART interface and works with MKS TMC2130/TMC2208 V2.0/TMC
+https://www.aliexpress.com/item/4000444286159.html?spm=2114.12010615.8148356.1.4158721an5TnW9

platformio.ini

@@ -470,6 +470,21 @@ src_filter    = ${common.default_src_filter} +<src/HAL/HAL_STM32F1>
 lib_ignore    = Adafruit NeoPixel, SPI
 monitor_speed = 250000
 
+
+#
+# MKS Robin Pro (STM32F103ZET6)
+#
+[env:mks_robin_pro]
+platform      = ststm32
+board         = genericSTM32F103ZE
+extra_scripts = buildroot/share/PlatformIO/scripts/mks_robin_pro.py
+build_flags   = !python Marlin/src/HAL/HAL_STM32F1/build_flags.py
+  ${common.build_flags} -std=gnu++14 -DSTM32_XL_DENSITY
+build_unflags = -std=gnu++11
+src_filter    = ${common.default_src_filter} +<src/HAL/HAL_STM32F1>
+lib_deps      = ${common.lib_deps}
+lib_ignore    = Adafruit NeoPixel, SPI, TMCStepper
+
 #
 # MKS Robin Lite/Lite2 (STM32F103RCT6)
 #
@@ -485,6 +500,21 @@ lib_ignore    = Adafruit NeoPixel, SPI
 monitor_speed = 250000
 
 #
+# MKS ROBIN LITE3 (STM32F103RCT6)
+#
+[env:mks_robin_lite3]
+platform      = ststm32
+board         = genericSTM32F103RC
+extra_scripts = buildroot/share/PlatformIO/scripts/mks_robin_lite3.py
+build_flags   = !python Marlin/src/HAL/HAL_STM32F1/build_flags.py
+  ${common.build_flags} -std=gnu++14
+build_unflags = -std=gnu++11
+src_filter    = ${common.default_src_filter} +<src/HAL/HAL_STM32F1>
+lib_deps      = ${common.lib_deps}
+lib_ignore    = Adafruit NeoPixel, SPI
+
+
+#
 # MKS Robin Mini (STM32F103VET6)
 #
 [env:mks_robin_mini]